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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.keyguard;
import android.content.Context;
import android.content.res.Resources;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Slog;
import android.view.View;
import android.widget.GridLayout;
import android.widget.TextClock;
import android.widget.TextView;
import com.android.internal.widget.LockPatternUtils;
import java.util.Locale;
public class KeyguardStatusView extends GridLayout {
private static final boolean DEBUG = KeyguardConstants.DEBUG;
private static final String TAG = "KeyguardStatusView";
private LockPatternUtils mLockPatternUtils;
private TextView mAlarmStatusView;
private TextClock mDateView;
private TextClock mClockView;
private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
@Override
public void onTimeChanged() {
refresh();
}
@Override
public void onKeyguardVisibilityChanged(boolean showing) {
if (showing) {
if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
refresh();
}
}
@Override
public void onScreenTurnedOn() {
setEnableMarquee(true);
}
@Override
public void onScreenTurnedOff(int why) {
setEnableMarquee(false);
}
};
public KeyguardStatusView(Context context) {
this(context, null, 0);
}
public KeyguardStatusView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
private void setEnableMarquee(boolean enabled) {
if (DEBUG) Log.v(TAG, (enabled ? "Enable" : "Disable") + " transport text marquee");
if (mAlarmStatusView != null) mAlarmStatusView.setSelected(enabled);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
mDateView = (TextClock) findViewById(R.id.date_view);
mClockView = (TextClock) findViewById(R.id.clock_view);
mLockPatternUtils = new LockPatternUtils(getContext());
final boolean screenOn = KeyguardUpdateMonitor.getInstance(mContext).isScreenOn();
setEnableMarquee(screenOn);
refresh();
}
protected void refresh() {
Patterns.update(mContext);
mDateView.setFormat24Hour(Patterns.dateView);
mDateView.setFormat12Hour(Patterns.dateView);
mClockView.setFormat12Hour(Patterns.clockView12);
mClockView.setFormat24Hour(Patterns.clockView24);
refreshAlarmStatus();
}
void refreshAlarmStatus() {
// Update Alarm status
String nextAlarm = mLockPatternUtils.getNextAlarm();
if (!TextUtils.isEmpty(nextAlarm)) {
mAlarmStatusView.setText(nextAlarm);
mAlarmStatusView.setVisibility(View.VISIBLE);
} else {
mAlarmStatusView.setVisibility(View.GONE);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
}
public int getAppWidgetId() {
return LockPatternUtils.ID_DEFAULT_STATUS_WIDGET;
}
// DateFormat.getBestDateTimePattern is extremely expensive, and refresh is called often.
// This is an optimization to ensure we only recompute the patterns when the inputs change.
private static final class Patterns {
static String dateView;
static String clockView12;
static String clockView24;
static String cacheKey;
static void update(Context context) {
final Locale locale = Locale.getDefault();
final Resources res = context.getResources();
final String dateViewSkel = res.getString(R.string.abbrev_wday_month_day_no_year);
final String clockView12Skel = res.getString(R.string.clock_12hr_format);
final String clockView24Skel = res.getString(R.string.clock_24hr_format);
final String key = locale.toString() + dateViewSkel + clockView12Skel + clockView24Skel;
if (key.equals(cacheKey)) return;
dateView = DateFormat.getBestDateTimePattern(locale, dateViewSkel);
clockView12 = DateFormat.getBestDateTimePattern(locale, clockView12Skel);
// CLDR insists on adding an AM/PM indicator even though it wasn't in the skeleton
// format. The following code removes the AM/PM indicator if we didn't want it.
if (!clockView12Skel.contains("a")) {
clockView12 = clockView12.replaceAll("a", "").trim();
}
clockView24 = DateFormat.getBestDateTimePattern(locale, clockView24Skel);
cacheKey = key;
}
}
}
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